Supporting element for barbecue grill



FIG. 1 is a perspective view of a supporting element for barbecue grill showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a perspective view of the supporting element for barbecue grill as shown in FIG. 1, in an exemplary environment.

The broken lines in FIG. 8 showing a barbecue grill environment form no part of the claimed design. 

CLAIM The ornamental design for a supporting element for barbecue grill, as shown and described. 